Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 e5 0
2 a6 0
3 Nc6 0
4 e6 0
5 Kc7 0
6 a5 0
7 Na6 0
8 Kc6 0
9 Kd6 0
10 g6 0
11 Ke6 0
12 f6 0
13 Nh6 0
14 Nf6 0
15 Bb7 0
16 Ba6 0
17 f5 0
18 g5 0
19 Ke8 0
20 Kd8 0